Added autoinstaller

1_Installation_files/YOUR_ADMIN/includes/auto_loaders/config.cash_on_pickup.php

@@ -0,0 +1,18 @@
+<?php
+/*
+ *
+ * @copyright Copyright 2003-2019 Zen Cart Development Team
+ * @copyright Portions Copyright 2003 osCommerce
+ * @license http://www.zen-cart.com/license/2_0.txt GNU Public License V2.0
+ * @version Cittins 2.0.0 by Zen4All
+ * 
+ */
+
+if (!defined('IS_ADMIN_FLAG')) {
+  die('Illegal Access');
+} 
+
+$autoLoadConfig[999][] = array(
+  'autoType' => 'init_script',
+  'loadFile' => 'init_cash_on_pickup.php'
+);

1_Installation_files/YOUR_ADMIN/includes/init_includes/init_cash_on_pickup.php

@@ -0,0 +1,122 @@
+<?php
+
+/*
+ * init_cash_on_pickup.php
+ *
+ * @copyright Copyright 2003-2019 Zen Cart Development Team
+ * @license http://www.zen-cart.com/license/2_0.txt GNU Public License V2.0
+ * @version Author: Erik Kerkhoven 1-3-2019
+ * 
+ */
+
+if (!defined('IS_ADMIN_FLAG')) {
+  die('Illegal Access');
+}
+
+$module_constant = 'CASH_ON_PICKUP_VERSION';
+$module_installer_directory = DIR_FS_ADMIN . 'includes/installers/cash_on_pickup';
+$module_name = 'Cash on Pickup';
+$module_file_for_version_check = '';
+$zencart_com_plugin_id = 1242;
+
+$configuration_group_id = '';
+if (defined($module_constant)) {
+  $current_version = constant($module_constant);
+} else {
+  $current_version = '0.0.0';
+  $db->Execute("INSERT INTO " . TABLE_CONFIGURATION_GROUP . " (configuration_group_title, configuration_group_description, sort_order, visible)
+                VALUES ('" . $module_name . "', '" . $module_name . " Settings', '1', '0');");
+  $configuration_group_id = $db->Insert_ID();
+
+  $db->Execute("UPDATE " . TABLE_CONFIGURATION_GROUP . "
+                SET sort_order = " . $configuration_group_id . "
+                WHERE configuration_group_id = " . $configuration_group_id . ";");
+
+  $db->Execute("INSERT INTO " . TABLE_CONFIGURATION . " (configuration_title, configuration_key, configuration_value, configuration_description, configuration_group_id, sort_order, last_modified, date_added, set_function)
+                VALUES ('Version', '" . $module_constant . "', '0.0.0', 'Version installed:', " . $configuration_group_id . ", 0, NOW(), NOW(), 'trim(');");
+}
+if ($configuration_group_id == '') {
+  $config = $db->Execute("SELECT configuration_group_id
+                          FROM " . TABLE_CONFIGURATION . "
+                          WHERE configuration_key= '" . $module_constant . "'");
+  $configuration_group_id = $config->fields['configuration_group_id'];
+}
+
+$installers = scandir($module_installer_directory, 1);
+
+$newest_version = $installers[0];
+$newest_version = substr($newest_version, 0, -4);
+
+sort($installers);
+if (version_compare($newest_version, $current_version) > 0) {
+  foreach ($installers as $installer) {
+    if (version_compare($newest_version, substr($installer, 0, -4)) >= 0 && version_compare($current_version, substr($installer, 0, -4)) < 0) {
+      include($module_installer_directory . '/' . $installer);
+      $current_version = str_replace("_", ".", substr($installer, 0, -4));
+      $db->Execute("UPDATE " . TABLE_CONFIGURATION . "
+                    SET configuration_value = '" . $current_version . "'
+                    WHERE configuration_key = '" . $module_constant . "'
+                    LIMIT 1;");
+      $messageStack->add("Installed " . $module_name . " v" . $current_version, 'success');
+    }
+  }
+}
+
+// Version Checking
+$module_file_for_version_check = ($module_file_for_version_check != '') ? DIR_FS_ADMIN . $module_file_for_version_check : '';
+if ($zencart_com_plugin_id != 0 && $module_file_for_version_check != '' && $_SERVER["PHP_SELF"] == $module_file_for_version_check) {
+  $new_version_details = plugin_version_check_for_updates($zencart_com_plugin_id, $current_version);
+  if ($_GET['gID'] == $configuration_group_id && $new_version_details != false) {
+    $messageStack->add("Version " . $new_version_details['latest_plugin_version'] . " of " . $new_version_details['title'] . ' is available at <a href="' . $new_version_details['link'] . '" target="_blank">[Details]</a>', 'caution');
+  }
+}
+
+if (!function_exists('plugin_version_check_for_updates')) {
+
+  function plugin_version_check_for_updates($plugin_file_id = 0, $version_string_to_compare = '') {
+    if ($plugin_file_id == 0) {
+      return false;
+    }
+    $new_version_available = false;
+    $lookup_index = 0;
+    $url = 'https://www.zen-cart.com/downloads.php?do=versioncheck' . '&id=' . (int)$plugin_file_id;
+    $ch = curl_init();
+    curl_setopt($ch, CURLOPT_URL, $url);
+    curl_setopt($ch, CURLOPT_VERBOSE, 0);
+    curl_setopt($ch, CURLOPT_HEADER, false);
+    curl_setopt($ch, CURLOPT_USERAGENT, 'Plugin Version Check [' . (int)$plugin_file_id . '] ' . HTTP_SERVER);
+    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
+    $response = curl_exec($ch);
+    $error = curl_error($ch);
+    if ($error > 0) {
+      curl_setopt($ch, CURLOPT_URL, str_replace('tps:', 'tp:', $url));
+      $response = curl_exec($ch);
+      $error = curl_error($ch);
+    }
+    curl_close($ch);
+    if ($error > 0 || $response == '') {
+      $response = file_get_contents($url);
+    }
+    if ($response === false) {
+      $response = file_get_contents(str_replace('tps:', 'tp:', $url));
+    }
+    if ($response === false) {
+      return false;
+    }
+    $data = json_decode($response, true);
+    if (!$data || !is_array($data)) {
+      return false;
+    }
+    // compare versions
+    if (strcmp($data[$lookup_index]['latest_plugin_version'], $version_string_to_compare) > 0) {
+      $new_version_available = true;
+    }
+    // check whether present ZC version is compatible with the latest available plugin version
+    if (!in_array('v' . PROJECT_VERSION_MAJOR . '.' . PROJECT_VERSION_MINOR, $data[$lookup_index]['zcversions'])) {
+      $new_version_available = false;
+    }
+
+    return ($new_version_available) ? $data[$lookup_index] : false;
+  }
+
+}

1_Installation_files/YOUR_ADMIN/includes/installers/cash_on_pickup/1_2_0.php

@@ -0,0 +1,14 @@
+<?php
+
+/**
+ * 1_2_0.php
+ *
+ * @copyright Copyright 2003-2018 Zen Cart Development Team
+ * @copyright Portions Copyright 2003 osCommerce
+ * @license http://www.zen-cart.com/license/2_0.txt GNU Public License V2.0
+ * @version Author: Zen4All
+ */
+
+if (!zen_page_key_exists('configCashOnPickup') && (int)$configuration_group_id > 0) {
+  zen_register_admin_page('configCashOnPickup', 'BOX_CONFIGURATION_CASH_ON_PICKUP', 'FILENAME_CONFIGURATION', 'gID=' . $configuration_group_id, 'configuration', 'N', $configuration_group_id);
+}

1_Installation_files/YOUR_ADMIN/includes/languages/english/extra_definitions/cash_on_pickup.php

@@ -0,0 +1,9 @@
+<?php
+/* 
+ *
+ * cash_on_pickup.php
+ *
+ * @copyright Copyright 2019 Zen4All
+ */
+
+define('BOX_CONFIGURATION_CASH_ON_PICKUP', 'Cash on Pickup');